128158110026879 has 2 divisors, whose sum is σ = 128158110026880. Its totient is φ = 128158110026878.

The previous prime is 128158110026867. The next prime is 128158110026887. The reversal of 128158110026879 is 978620011851821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128158110026879 - 2⁸ = 128158110026623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128158110026809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64079055013439 + 64079055013440.

It is an arithmetic number, because the mean of its divisors is an integer number (64079055013440).

Almost surely, 2^{128158110026879} is an apocalyptic number.

128158110026879 is a deficient number, since it is larger than the sum of its proper divisors (1).

128158110026879 is an equidigital number, since it uses as much as digits as its factorization.

128158110026879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 59.

The spelling of 128158110026879 in words is "one hundred twenty-eight trillion, one hundred fifty-eight billion, one hundred ten million, twenty-six thousand, eight hundred seventy-nine".